OOPS :
Object Oriented Programming Structure
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OOPS is Bottom to Top Approach
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a) Abstraction
b) Polymorphism
c) Encapsulation
d) Inheritance

THere are two basic properties of
OOPS :
a) OBJECT (Physical, represent Class)
c) CLASS  (concept for object)
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Q. What is Object ?
A. Object is a basic run time entity
in any Object Oriented System

Q. What is Class ?
A. Class is a collection of  Object.
   OR
   Class is Prototype of Object.
   OR
   Class is BluePrint for Object.
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Approach of OOPS ?
OOPS is Real World entity.
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Inheritance :
               Object
         Living            Non-Living
    Birds     Animals
Flying  NonFlying
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